pyopengl-devel

Bugs item #1869877, was opened at 2008-01-12 02:40
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Category: GL
Group: v3.0.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: glColorPointer/ glVertexPointer broken
Initial Comment:
This might be related to bug 1067130, but I'm not sure, mark duplicate if needed.
In the attached script, the polygon is often miscoloured, or lacks vertexes. If I disable GL_COLOR_ARRAY, vertexes draw fine.
>From what I get it seems that calling glColorPointer overwrites some data in vertex pointer and/or vice versa.
I get distorted views like http://img292.imageshack.us/img292/5295/bugwd1.jpg, while I should get the full polygon.
If I change the order of functions artifacts change too and sometimes disappear, but nothing predictable.
The similar program in C runs fine, so it is unlikely to be a driver issue.
System used: Ubuntu Linux, kernel 2.6.22
pyopengl 3.0.0
Python 2.5.1
----------------------------------------------------------------------
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Bugs item #1869877, was opened at 2008-01-12 12:40
Message generated for change (Comment added) made by vytaslt
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Category: GL
Group: v3.0.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: glColorPointer/ glVertexPointer broken
Initial Comment:
This might be related to bug 1067130, but I'm not sure, mark duplicate if needed.
In the attached script, the polygon is often miscoloured, or lacks vertexes. If I disable GL_COLOR_ARRAY, vertexes draw fine.
>From what I get it seems that calling glColorPointer overwrites some data in vertex pointer and/or vice versa.
I get distorted views like http://img292.imageshack.us/img292/5295/bugwd1.jpg, while I should get the full polygon.
If I change the order of functions artifacts change too and sometimes disappear, but nothing predictable.
The similar program in C runs fine, so it is unlikely to be a driver issue.
System used: Ubuntu Linux, kernel 2.6.22
pyopengl 3.0.0
Python 2.5.1
----------------------------------------------------------------------
Comment By: Vytas (vytaslt)
Date: 2008-01-12 12:44
Message:
Logged In: YES
user_id=1979684
Originator: NO
I am the submitter just forgot to login
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Bugs item #1869877, was opened at 2008-01-12 05:40
Message generated for change (Settings changed) made by mcfletch
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Category: GL
Group: v3.0.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
>Assigned to: Mike C. Fletcher (mcfletch)
Summary: glColorPointer/ glVertexPointer broken
Initial Comment:
This might be related to bug 1067130, but I'm not sure, mark duplicate if needed.
In the attached script, the polygon is often miscoloured, or lacks vertexes. If I disable GL_COLOR_ARRAY, vertexes draw fine.
>From what I get it seems that calling glColorPointer overwrites some data in vertex pointer and/or vice versa.
I get distorted views like http://img292.imageshack.us/img292/5295/bugwd1.jpg, while I should get the full polygon.
If I change the order of functions artifacts change too and sometimes disappear, but nothing predictable.
The similar program in C runs fine, so it is unlikely to be a driver issue.
System used: Ubuntu Linux, kernel 2.6.22
pyopengl 3.0.0
Python 2.5.1
----------------------------------------------------------------------
>Comment By: Mike C. Fletcher (mcfletch)
Date: 2008-01-19 11:46
Message:
Logged In: YES
user_id=34901
Originator: NO
With current CVS I can't reproduce the problem. I'm guessing this was the
same bug as fixed a while ago where the two arrays were both getting stored
as floats and the caching code was storing them using their type rather
than their role.
----------------------------------------------------------------------
Comment By: Vytas (vytaslt)
Date: 2008-01-12 05:44
Message:
Logged In: YES
user_id=1979684
Originator: NO
I am the submitter just forgot to login
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Bugs item #1869877, was opened at 2008-01-12 05:40
Message generated for change (Comment added) made by mcfletch
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Category: GL
Group: v3.0.0
>Status: Closed
>Resolution: Out of Date
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Mike C. Fletcher (mcfletch)
Summary: glColorPointer/ glVertexPointer broken
Initial Comment:
This might be related to bug 1067130, but I'm not sure, mark duplicate if needed.
In the attached script, the polygon is often miscoloured, or lacks vertexes. If I disable GL_COLOR_ARRAY, vertexes draw fine.
>From what I get it seems that calling glColorPointer overwrites some data in vertex pointer and/or vice versa.
I get distorted views like http://img292.imageshack.us/img292/5295/bugwd1.jpg, while I should get the full polygon.
If I change the order of functions artifacts change too and sometimes disappear, but nothing predictable.
The similar program in C runs fine, so it is unlikely to be a driver issue.
System used: Ubuntu Linux, kernel 2.6.22
pyopengl 3.0.0
Python 2.5.1
----------------------------------------------------------------------
>Comment By: Mike C. Fletcher (mcfletch)
Date: 2009-07-18 22:39
Message:
This does appear to have been the problem, closing.
----------------------------------------------------------------------
Comment By: Mike C. Fletcher (mcfletch)
Date: 2008-01-19 11:46
Message:
Logged In: YES
user_id=34901
Originator: NO
With current CVS I can't reproduce the problem. I'm guessing this was the
same bug as fixed a while ago where the two arrays were both getting stored
as floats and the caching code was storing them using their type rather
than their role.
----------------------------------------------------------------------
Comment By: Vytas (vytaslt)
Date: 2008-01-12 05:44
Message:
Logged In: YES
user_id=1979684
Originator: NO
I am the submitter just forgot to login
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You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=105988&aid=1869877&group_id=5988